Kevin Murphy Killer Curl Rinse is a nourishing conditioner specifically designed for curly hair. It helps to define waves and curls, prevent hair breakage, and makes detangling and styling easier. This vegan product contains avocado oil and castor oil, making it especially suitable for wavy and curly hair. For maximum effect, use with other hair products from the same line. How to use: Apply after first washing with shampoo. Leave to act for a while, then rinse thoroughly.